Patents by Inventor Sang Bok Ma

Sang Bok Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170047628
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Min-sik PARK, Tae-young KIM, Dong-joon LEE, Sang-bok MA, Dong-min IM, Victor ROEV
  • Patent number: 9509027
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sik Park, Tae-young Kim, Dong-joon Lee, Sang-bok Ma, Dong-min Im, Victor Roev
  • Patent number: 9312583
    Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: April 12, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY
    Inventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
  • Patent number: 9263779
    Abstract: A lithium air battery module including a lithium air battery cell including a first electrolyte; an additional electrolyte disposed non-adjacent the first electrolyte; and a housing which accommodates the lithium air battery cell and the additional electrolyte.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Young-gyoon Ryu, Victor Roev, Sang-bok Ma, Min-sik Park
  • Patent number: 9225192
    Abstract: The apparatus of charging a rechargeable battery includes a voltage detector which detects a voltage value between terminals of a rechargeable battery, a current generator which generates current for charging the rechargeable battery and outputs the generated current to the terminals of the rechargeable battery, and a controller which controls the current generator based on the voltage value detected by the voltage detector. The current generator outputs a first current for which a direction thereof between the terminals of the rechargeable battery is constant, in a charging period of the rechargeable battery, wherein the first current comprises direct current, and a second current for which a direction thereof between the terminals of the rechargeable battery is periodically reversed, in an intermittent period of the rechargeable battery.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Won-sung Choi, Min-sik Park
  • Patent number: 9225015
    Abstract: A lithium air battery including a negative electrode comprising lithium, a positive electrode using oxygen as a positive active material, and an organic electrolyte including an organic compound capable of intercalating and deintercalating electrons involved in an electrochemical reaction.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon Lee, Dong-min Im, Young-gyoon Ryu, Victor Roev, Min-sik Park, Sang-bok Ma
  • Patent number: 9166263
    Abstract: An anode for a lithium air battery including an anode active material layer including an anode active material; a first protective layer disposed on the anode active material layer; and a second protective layer disposed on the first protective layer, wherein the first protective layer includes a liquid electrolyte having a viscosity of 5 centipoise or less at a temperature of 20° C., and the second protective layer includes an ion conductive solid electrolyte membrane.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-bok Ma, Min-sik Park, Dong-joon Lee, Dong-min Im
  • Publication number: 20150221952
    Abstract: A lithium air battery including a negative electrode capable of incorporation and deincorporation of lithium ions, a positive electrode capable of capable of incorporating and deincorporating oxygen, and a lithium ion conductive polymer electrolyte disposed between the negative electrode and the positive electrode, wherein the positive electrode includes a carbonaceous material and a carbide of a metal or a semi-metal element. The lithium ion conductive polymer electrolyte may include a lithium salt and a hydrophilic polymer.
    Type: Application
    Filed: August 25, 2014
    Publication date: August 6, 2015
    Inventors: Sang-bok MA, Dong-min IM, Dong-joon LEE, Ki-hyun KIM, Tae-young KIM
  • Publication number: 20150140452
    Abstract: A metal-air battery including: a negative electrode metal layer; a negative electrode electrolyte layer disposed on the negative electrode metal layer; a positive electrode layer disposed on the negative electrode electrolyte layer, the positive electrode layer comprising a positive electrode material which is capable of using oxygen as an active material; and a gas diffusion layer disposed on the positive electrode layer, wherein the negative electrode electrolyte layer is between the negative electrode metal layer and the positive electrode layer; wherein the negative electrode metal layer, the negative electrode electrolyte layer, and the positive electrode layer are disposed on the gas diffusion layer so that the positive electrode layer contacts a lower surface and an opposite upper surface of the gas diffusion layer, and wherein one side surface of the gas diffusion layer is exposed to an outside.
    Type: Application
    Filed: June 20, 2014
    Publication date: May 21, 2015
    Inventors: Min-sik PARK, Tae-young KIM, Dong-joon LEE, Sang-bok MA, Dong-min IM, Victor ROEV
  • Publication number: 20150104720
    Abstract: A lithium air battery including an anode for intercalating/deintercalating lithium ions; a cathode having oxygen as a cathode active material, a lithium ion conductive solid electrolyte membrane disposed between the anode and the cathode; and an electrolyte, wherein the electrolyte is disposed between the lithium ion conductive solid electrolyte membrane and the cathode, and wherein the electrolyte includes at least one compound selected from a compound represented by Formula 1 and a copolymer including a repeating unit represented by Formula 2 as an additive: wherein in Formulae 1 and 2, groups CY1, CY2, a, b, c, b, R1 to R18, and variables t, u, and v are defined in the specification.
    Type: Application
    Filed: May 30, 2014
    Publication date: April 16, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-bok MA, Dong-joon LEE, Dong-min IM, Ki-hyun KIM, Tae-young KIM, Min-sik PARK, Won-sung CHOI
  • Patent number: 8906546
    Abstract: A non-aqueous electrolyte and a lithium air battery including the same. The non-aqueous electrolyte may include an oxygen anion capturing compound to effectively dissociate the reduction reaction product of oxygen formed during discharging of the lithium air battery, reduce the overvoltage of the oxygen evolution reaction occurring during battery charging, and enhance the energy efficiency and capacity of the battery.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: December 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-gyoon Ryu, Dong-min Im, Myung-jin Lee, Dong-joon Lee, Sang-bok Ma
  • Publication number: 20140234733
    Abstract: An air battery cathode including an organic-inorganic composite material including lyophobic nanopores, the organic-inorganic composite material including a porous metal oxide, and a lyophobic layer on a surface of a pore of the porous metal oxide and having a contact angle of greater than about 90°; and a binder. Also a lithium air battery including the cathode, and a method of manufacture the cathode.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Victor ROEV, Dong-min IM, Sang-bok MA, Won-sung CHOI, Min-sik PARK, Dong-joon LEE
  • Publication number: 20140178775
    Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.
    Type: Application
    Filed: April 25, 2013
    Publication date: June 26, 2014
    Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
  • Publication number: 20140178777
    Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.
    Type: Application
    Filed: December 15, 2013
    Publication date: June 26, 2014
    Applicant: National University Corporation Mie University
    Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
  • Publication number: 20140084849
    Abstract: The apparatus of charging a rechargeable battery includes a voltage detector which detects a voltage value between terminals of a rechargeable battery, a current generator which generates current for charging the rechargeable battery and outputs the generated current to the terminals of the rechargeable battery, and a controller which controls the current generator based on the voltage value detected by the voltage detector. The current generator outputs a first current for which a direction thereof between the terminals of the rechargeable battery is constant, in a charging period of the rechargeable battery, wherein the first current comprises direct current, and a second current for which a direction thereof between the terminals of the rechargeable battery is periodically reversed, in an intermittent period of the rechargeable battery.
    Type: Application
    Filed: April 24, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Won-sung CHOI, Min-sik PARK
  • Publication number: 20140072881
    Abstract: A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10?3 S/cm or greater, a lithium ion transference number of about 0.15 or greater, and a lithium ion mobility of about 10?6 cm2/V×sec or greater, wherein the polymer gel electrolyte includes a lithium salt, a polymer capable of forming a complex with the lithium salt, an insulating inorganic filler, and an organic solvent, wherein the organic solvent is inert with respect to the lithium metal, wherein an anionic radius of the lithium salt is about 2.5 Angstroms or greater, and wherein a molecular weight of the lithium salt is about 145 or greater.
    Type: Application
    Filed: August 26, 2013
    Publication date: March 13, 2014
    Applicants: NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sik PARK, Dong-joon LEE, Sang-bok MA, Dong-min IM, Won-sung CHOI, Osamu YAMAMOTO, Nobuyuki IMANISHI
  • Publication number: 20140011101
    Abstract: An anode for a lithium air battery including an anode active material layer including an anode active material; a first protective layer disposed on the anode active material layer; and a second protective layer disposed on the first protective layer, wherein the first protective layer includes a liquid electrolyte having a viscosity of 5 centipoise or less at a temperature of 20° C., and the second protective layer includes an ion conductive solid electrolyte membrane.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 9, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-bok MA, Min-sik PARK, Dong-joon LEE, Dong-min IM
  • Patent number: 8580431
    Abstract: A porous carbonaceous composite material including a core including a carbon nanotube (CNT); and a coating layer on the core, the coating layer including a carbonaceous material including a hetero element.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: November 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Victor Roev, Dong-min Im, Dong-joon Lee, Sang-bok Ma
  • Publication number: 20130137002
    Abstract: A lithium air battery including a negative electrode comprising lithium, a positive electrode using oxygen as a positive active material, and an organic electrolyte including an organic compound capable of intercalating and deintercalating electrons involved in an electrochemical reaction.
    Type: Application
    Filed: July 31, 2012
    Publication date: May 30, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Dong-joon LEE, Dong-min IM, Young-gyoon Ryu, Victor Roev, Min-sik Park, Sang-bok Ma
  • Publication number: 20130108934
    Abstract: A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 2, 2013
    Applicants: National University Corporation Mie University, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-joon LEE, Victor ROEV, Young-gyoon RYU, Dong-min IM, Min-sik PARK, Sang-bok MA, Osamu YAMAMOTO, Nobuyuki IMANISHI, Yasuo TAKEDA